87255277 has 16 divisors (see below), whose sum is σ = 94075200. Its totient is φ = 80680320.

The previous prime is 87255269. The next prime is 87255281. The reversal of 87255277 is 77255278.

It is a cyclic number.

It is not a de Polignac number, because 87255277 - 2³ = 87255269 is a prime.

It is a super-2 number, since 2×87255277² = 15226966728693458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87255227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310377 + ... + 310657.

It is an arithmetic number, because the mean of its divisors is an integer number (5879700).

Almost surely, 2^87255277 is an apocalyptic number.

It is an amenable number.

87255277 is a deficient number, since it is larger than the sum of its proper divisors (6819923).

87255277 is a wasteful number, since it uses less digits than its factorization.

87255277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636.

The product of its digits is 274400, while the sum is 43.

The square root of 87255277 is about 9341.0533131976. The cubic root of 87255277 is about 443.5377276874.

Subtracting from 87255277 its reverse (77255278), we obtain a palindrome (9999999).

The spelling of 87255277 in words is "eighty-seven million, two hundred fifty-five thousand, two hundred seventy-seven".